... :+/-1mm)Length:230-5000MM(Tolerance:+/-1mm)4.Application:1)air plane, refrigerators ,audio equipment2)building material: ceilings, walls3) TV back ... First, plastic cloth; Second, Pearl Wool ; Third, wooden cases with dry agent ,without fumigation, wooden pallets8.Certificate: ISO9001:2000, SGS and ROHS ... plant provided), Certificate of Origin(FORM A, FORM E, CO). Wooden faced aluminium composite sheet